CN207930095U - A kind of hydraulic pressure small-bore gear grinding clamp - Google Patents
A kind of hydraulic pressure small-bore gear grinding clamp Download PDFInfo
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- CN207930095U CN207930095U CN201820143747.6U CN201820143747U CN207930095U CN 207930095 U CN207930095 U CN 207930095U CN 201820143747 U CN201820143747 U CN 201820143747U CN 207930095 U CN207930095 U CN 207930095U
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- ontology
- pedestal
- hydraulic pressure
- pull rod
- piston
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Abstract
The utility model provides a kind of hydraulic pressure small-bore gear grinding clamp, belongs to mechanical Precision Manufacturing Technology field.Hydraulic pressure small-bore gear grinding clamp, including pedestal, piston, ontology and pull rod, ontology are detachably connected with pedestal, piston is arranged in ontology and pedestal, the endoporus for accommodating pull rod is provided on ontology, one end and the piston of pull rod are detachably connected, and the other end stretches out ontology.The one end of the ontology far from pedestal is the tensioner end of elasticity, and the peripheral surface at tensioner end is the matched periphery of endoporus with workpiece；It is provided with elastic groove on the periphery, spring is equipped in elastic groove.Hydraulic pressure small-bore provided by the present application gear grinding clamp, simple in structure, production and application is at low cost, and clamping small-bore accuracy is high, convenient for mounting and clamping, processing quality is stable, good reliability, and ontology and pull rod are only needed replacing when changing production, improves the processing efficiency of workpiece.
Description
Technical field
The utility model is related to mechanical Precision Manufacturing Technology field more particularly to a kind of hydraulic pressure small-bore gear grinding clamps.
Background technology
Roll flute is a kind of to utilize the cutters such as finishings roller gear or certain gears (helical gear, bevel gear etc.) such as grinding wheel
A kind of technique of the flank of tooth, the deformation for being mainly used for eliminating after being heat-treated and the raising accuracy of gear.Gear grinding machines are a kind of gear finishings
The Metal Cutting Machine Tool of work is ground the gear teeth face processed, to improve the accuracy of gear with grinding wheel as cutter
And surface smoothness, it is suitable for the higher steel material gear of hardness after finishing quenching.In use, fixture is used for holding parts, machine
Bed is processed according to the program set.
Roll flute is the main manufacturing process for obtaining high-precision quenching hard gear, and precision relies primarily on machine tool accuracy and fixture essence
It spends to ensure, if clamp precision is not achieved, machine tool accuracy is high again, and the accuracy of gear of processing can not also improve.It is existing to be suitable for
The grinding machine bed fixture of small-bore work pieces process, complicated, production and application is of high cost, and fixture accuracy is inadequate；In addition, folder
Tool needs to regularly replace because of the demand of accuracy, and when the change in size of workpiece, fixture is also required to replace.When replacement, need replacing
At sleeve clamp, positioning needs to re-calibrate, and complex procedures reduce the processing efficiency of workpiece.
Invention content
The purpose of this utility model is disadvantages mentioned above to be overcome, provide one kind can improve change production efficiency, it is cost-effective and
The high small-bore gear grinding clamp of accuracy.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of hydraulic pressure being conveniently replaceable is provided
Small-bore gear grinding clamp.Hydraulic pressure small-bore gear grinding clamp, including pedestal, piston, ontology and pull rod, ontology are removable with pedestal
Connection is unloaded, piston is arranged in ontology and pedestal；The endoporus for accommodating pull rod is provided on ontology, one end of pull rod and piston are detachable
Connection, the other end stretch out ontology.The one end of the ontology far from pedestal is the tensioner end of elasticity, and the peripheral surface at tensioner end is and work
The matched periphery of endoporus of part；It is provided with elastic groove on the periphery, spring is equipped in elastic groove.
Further, the pull rod and the outer end face in the matched region in tensioner end are for convenience of tensioner end tensioner and release
Taper face.
Preferably, the taper of the taper face is 1:200.
Preferably, the top at the tensioner end is equipped with directly radially away from the gradually smaller guide section in pedestal direction.
Further, the pedestal is equipped with the accommodating chamber with the matched step type of piston, between piston and accommodating chamber
Equipped with several O-ring seals；Ontology is equipped with the holding tank for accommodating piston close to one end of pedestal, and holding tank is connected with endoporus；
The diameter of one end that piston is connected with pull rod is more than the diameter of pull rod, and the diameter of holding tank is more than the diameter of endoporus.
Further, the pedestal is equipped with the bottom plate for covering accommodating chamber opening, and bottom plate is towards setting on the end face of accommodating chamber
There are positioning pin, the axis of the positioning pin parallel with the axial direction of pedestal；It is provided on piston and the matched location hole of positioning pin.
Further, it is provided with the recirculation hole flowed for hydraulic pressure system liquid being connected with accommodating chamber on the pedestal, flows
The port that through-hole is opened in base side is equipped with seal plug.
Preferably, the side of ontology is equipped with anti-turn screw, is provided with and the matched anti-rotating hole of anti-turn screw on ontology；Anti-rotation
Screw passes through the outer wall of ontology and pull rod inconsistent；The axis of anti-turn screw and the axis perpendicular of ontology are provided with appearance on pull rod
Receive the anti-rotation groove of anti-turn screw.
Further, further include being set in support base of the ontology far from pedestal one end, the one end of support base far from pedestal with
The end face of workpiece is in contact, this one end of support base is equipped with end face positioning surface.
The utility model has the advantages and positive effects of：Hydraulic pressure small-bore provided by the present application gear grinding clamp, structure
Simply, production and application is at low cost, and clamping small-bore accuracy is high, convenient for mounting and clamping, processing quality is stable, good reliability, when changing production
Ontology and pull rod are only needed replacing, processing efficiency is improved.
Hydraulic pressure small-bore provided by the present application gear grinding clamp, ontology upper end are equipped with the tensioner end of clamping workpiece endoporus, tensioner
The elastic groove for accommodating spring is provided on the peripheral surface at end, elastic groove further positions inner hole of workpiece, convenient for the tensioner at tensioner end, draws
Bar upper end is equipped with taper surface, the tensioner convenient for the tensioner end at tensioner end and release；Hole positioning, support are realized in tensioner end, elastic groove
The end face positioning surface that seat is equipped with realizes end face positioning, further positions workpiece, improves the stability of clamping workpiece, improves part
The accuracy of processing., the inner hole of workpiece diameter minimum of processing can reach 10mm.
Fixture provided by the present application, piston, in step type, are equipped with sealing ring, bottom plate with supporting rod between piston and accommodating chamber
It is equipped with the positioning pin of positioning piston, the side of ontology is equipped with anti-turn screw, ensures the coaxial of each component when the operation of fixture
Property, ensure stability when fixture work.
Description of the drawings
Fig. 1 is the structural schematic diagram under hydraulic pressure small-bore fixture use state provided by the present application.
Fig. 2 is the structural schematic diagram of ontology in the application.
In figure：1- pull rods, 2- workpiece, 3- support bases, 4- ontologies, 401- holding tanks, 402- endoporus, 403- elastic grooves,
404- tensioners end, 405- anti-rotating holes, 5- pistons, 501- location holes, 6- pedestals, 7- bottom plates, 8- anti-turn screws, 9- sealing rings, 10-
Recirculation hole, 11- seal plugs, 12- positioning pins.
Specific implementation mode
In order to be better understood from the utility model, with reference to specific embodiments and the drawings to the utility model into advance one
The description of step.
As shown in Figures 1 and 2, the application provides a kind of hydraulic pressure small-bore gear grinding clamp, including pull rod 1, support base 3, sheet
Body 4, piston 5 and pedestal 6.
Ontology 4 is detachably connected with pedestal 6, and piston 5 is arranged in ontology 4 and pedestal 6.
Pedestal 6 is equipped with the accommodating chamber with 4 matched step type of piston, is equipped between piston 4 and accommodating chamber several O-shaped
Sealing ring 9.The recirculation hole 10 flowed for hydraulic pressure system liquid being connected with accommodating chamber is provided on pedestal 6, recirculation hole 10 is opened in
The port of 6 side of pedestal is equipped with seal plug 11.
Pedestal 6 is equipped with the bottom plate 7 for covering accommodating chamber opening, and bottom plate 7 is equipped with positioning pin 12 towards the end face of accommodating chamber,
The axis of positioning pin 12 is parallel with the axial direction of pedestal 6, is provided on piston 4 and 12 matched location hole 501 of positioning pin.
The endoporus 402 for accommodating pull rod 1 is provided on ontology 4, one end and the piston 5 of pull rod 1 are detachably connected, and the other end stretches out
Ontology 4.Ontology 4 is equipped with the holding tank 401 for accommodating piston 5 close to one end of pedestal 6, and holding tank 401 is connected with endoporus 402.
The diameter of one end that piston 5 is connected with pull rod 1 is more than the diameter of pull rod 1, and the diameter of holding tank 401 is more than the diameter of endoporus 402.
One end that piston 5 is connected with pull rod 1 is equipped with directly radially adjacent to the gradually smaller guide section in 1 direction of pull rod, guide section and holding tank
There are gaps between 401, are convenient for the movement of piston 5.
The one end of ontology 4 far from pedestal 6 is the tensioner end 404 of elasticity, the peripheral surface at tensioner end 404 be in workpiece 2
The matched periphery in hole；It is provided with elastic groove 403 on periphery, spring is equipped in elastic groove 403.The top at tensioner end 404 is set
Have directly radially away from the gradually smaller guide section in 6 direction of pedestal, is convenient for the installation of workpiece.Pull rod 1 and tensioner end 404 are matched
The outer end face in region for convenience of tensioner end 404 tensioner and release taper face, preferably, the taper of taper face be 1:200.
The side of ontology 4 is equipped with anti-turn screw 8, and ontology is provided with and 8 matched anti-rotating hole 405 of anti-turn screw.Anti-rotation
Screw 8 passes through ontology 4 and the outer wall of pull rod 1 inconsistent, the axis perpendicular of the axis and ontology 4 of anti-turn screw 8, on pull rod 1
It is provided with the anti-rotation groove for accommodating anti-turn screw 8, when pull rod 1 moves, one end of anti-turn screw 8 is parallel to pull rod 1 in edge in anti-rotation groove
The direction relative motion of axis.As an implementation, 8 soket head cap screws of anti-turn screw, anti-rotating hole 405 are to match therewith
The stepped hole of conjunction.
Support base 3 is set in the one end of ontology 4 far from pedestal 6, the end face of support base 3 one end far from pedestal 6 and workpiece 2
It is in contact, this one end of support base 3 is equipped with end face positioning surface.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is all to become according to impartial made by the scope of the utility model
Change and improve etc., it should all still belong within this patent covering scope.
Claims (9)
1. a kind of hydraulic pressure small-bore gear grinding clamp, including pedestal, piston, ontology and pull rod, ontology are detachably connected with pedestal, living
Plug is arranged in ontology and pedestal, it is characterised in that：The endoporus for accommodating pull rod is provided on ontology, one end of pull rod and piston are removable
Connection is unloaded, the other end stretches out ontology；
The one end of the ontology far from pedestal is the tensioner end of elasticity, and the peripheral surface at tensioner end is matched with the endoporus of workpiece
Periphery；It is provided with elastic groove on the periphery, spring is equipped in elastic groove.
2. hydraulic pressure small-bore according to claim 1 gear grinding clamp, it is characterised in that：The pull rod is matched with tensioner end
Region outer end face for convenience of tensioner end tensioner and release taper face.
3. hydraulic pressure small-bore according to claim 2 gear grinding clamp, it is characterised in that：The taper of the taper face is 1:
200。
4. according to any hydraulic pressure small-bore gear grinding clamps of claim 1-3, it is characterised in that：The top at the tensioner end
Equipped with directly radially away from the gradually smaller guide section in pedestal direction.
5. according to any hydraulic pressure small-bore gear grinding clamps of claim 1-3, it is characterised in that：The pedestal be equipped with
The accommodating chamber of the matched step type of piston is equipped with several O-ring seals between piston and accommodating chamber；
Ontology is equipped with the holding tank for accommodating piston close to one end of pedestal, and holding tank is connected with endoporus；
The diameter of one end that piston is connected with pull rod is more than the diameter of pull rod, and the diameter of holding tank is more than the diameter of endoporus.
6. hydraulic pressure small-bore according to claim 5 gear grinding clamp, it is characterised in that：The pedestal is equipped with to cover and accommodate
The bottom plate of chamber opening, bottom plate are equipped with positioning pin, the axis of the positioning pin and the axial phase of pedestal towards the end face of accommodating chamber
It is parallel；It is provided on piston and the matched location hole of positioning pin.
7. hydraulic pressure small-bore according to claim 5 gear grinding clamp, it is characterised in that：It is provided on the pedestal and accommodating chamber
The recirculation hole flowed for hydraulic pressure system liquid being connected, the port that recirculation hole is opened in base side are equipped with seal plug.
8. hydraulic pressure small-bore according to claim 1 gear grinding clamp, it is characterised in that：The side of ontology is equipped with anti-rotation spiral shell
It follows closely, is provided with and the matched anti-rotating hole of anti-turn screw on ontology；
Anti-turn screw passes through the outer wall of ontology and pull rod inconsistent；The axis of anti-turn screw and the axis perpendicular of ontology, pull rod
On be provided with accommodate anti-turn screw anti-rotation groove.
9. hydraulic pressure small-bore according to claim 1 gear grinding clamp, it is characterised in that：Further include being set in ontology the bottom of far from
The support base of seat one end, the one end of support base far from pedestal are in contact with the end face of workpiece, this one end of support base is equipped with end
Face positioning surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143747.6U CN207930095U (en) | 2018-01-29 | 2018-01-29 | A kind of hydraulic pressure small-bore gear grinding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143747.6U CN207930095U (en) | 2018-01-29 | 2018-01-29 | A kind of hydraulic pressure small-bore gear grinding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207930095U true CN207930095U (en) | 2018-10-02 |
Family
ID=63650382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820143747.6U Active CN207930095U (en) | 2018-01-29 | 2018-01-29 | A kind of hydraulic pressure small-bore gear grinding clamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262083A (en) * | 2018-12-03 | 2019-01-25 | 浙江巨跃齿轮有限公司 | A kind of liquid rises fixture |
| CN109848488A (en) * | 2019-04-12 | 2019-06-07 | 定州市新华机械制造有限公司 | Hydraulic gear grinding clamp |
-
2018
- 2018-01-29 CN CN201820143747.6U patent/CN207930095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262083A (en) * | 2018-12-03 | 2019-01-25 | 浙江巨跃齿轮有限公司 | A kind of liquid rises fixture |
| CN109848488A (en) * | 2019-04-12 | 2019-06-07 | 定州市新华机械制造有限公司 | Hydraulic gear grinding clamp |
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